musl and darwin support UTF-8 locales without any extras. As a result
unzip can unpack UTF-8 filenames there as is. But on glibc without
locale archive presence files get mangled as:
deps/αβ -> deps/#U03b1#U03b2
This makes `fetchzip` fixed-output derivations unstable.
Tested this change to fail in `coq.src` which was generated in system
that mangles UTF-8 symbols:
$ nix build -f. coq.src --rebuild -L
source> trying https://github.com/coq/coq/archive/V8.15.2.zip
source> % Total % Received % Xferd Average Speed Time Time Time Current
source> Dload Upload Total Spent Left Speed
source> 0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0
source> 100 8945k 100 8945k 0 0 1513k 0 0:00:05 0:00:05 --:--:-- 1989k
source> unpacking source archive /build/V8.15.2.zip
error: hash mismatch in fixed-output derivation '/nix/store/hrnyykm7wgw8vxisgq7hc2bg5gr0y6s8-source.drv':
specified: sha256-h81nFqkuvZkMR7YLHy7laTq5yOhjMW+w6rYzncxvyD4=
got: sha256-DTspmwyD3Evl1CUmvUy2MonbLGUezvsHN3prmP9eK2I=
Note: it means that some of existing caches for fixed output
derivations become incorrect. It should not break already cached
tarballs on cache.nixos.org thus the impact should not be widespread.
`uasm` is x86 only.
It seems that in `aarch64-linux` at least, the optimizing build is done
without using any third-party tool (maybe using GCC's own assembly?).
Wimlib works just fine on darwin, but two adjustments need to be made:
- Tests need to be disabled, as they rely on glibc-isms (such as
lgetattr).
- cdrkit and syslinux dependencies are dropped, as those binaries are
linux-only.
* _7zz: correct license and remove p7zip dependency
The code under Compress/Rar* is licensed under a specific unRAR license
Also Compress/LzfseDecoder.cpp is covered by BSD3
The unRAR code is removed from the `.tar.xz` since the license posits you
agree or remove the code from your hard drive
This adds some complexity to updating 7zz so there is also an update
script
Meta has been updated and tweaked
Source is now downloaded from sourceforge in the `.tar.xz` version to
avoid depending on p7zip
* _7zz: add notice of the license updates and optional unRAR licenced code
The code under Compress/Rar* is licensed under a specific unRAR license
Also Compress/LzfseDecoder.cpp is covered by BSD3
The unRAR code is removed from the source drv since the license posits you
agree or remove the code from your hard drive
This adds some complexity to updating p7zip so there is also an update
script
Meta has been updated and tweaked
Use uasm to compile the optimized code instead of generic C code for
faster operations.
Before:
```
7zz x 10.83s user 0.40s system 98% cpu 11.439 total
```
After:
```
7zz x 6.87s user 0.40s system 98% cpu 7.395 total
```
